Cita APA (7a ed.)

(1956). Annual report of the board of regents of the Smithsonian Institution. Government Printing Office.

Cita Chicago Style (17a ed.)

Annual Report of the Board of Regents of the Smithsonian Institution. Washington, D.C: Government Printing Office, 1956.

Cita MLA (8a ed.)

Annual Report of the Board of Regents of the Smithsonian Institution. Government Printing Office, 1956.